| Oct 14 2011 |
12492 |
466.84 |
| Oct 07 2011 |
12236 |
466.84 |
| Sep 30 2011 |
12137 |
467.38 |
| Sep 27 2011 |
11837 |
467.38 |
| Sep 23 2011 |
11773 |
467.38 |
| Sep 16 2011 |
11882 |
472.76 |
| Sep 09 2011 |
11604 |
472.78 |
| Jan 13 2011 |
11466 |
473 |
| Dec 28 2010 |
11680 |
473 |
| Dec 14 2010 |
11580 |
473.01 |
| Dec 03 2010 |
11631 |
473.01 |
| Nov 26 2010 |
11599 |
473.02 |
| Nov 19 2010 |
11509 |
473.02 |
| Nov 12 2010 |
11344 |
473.02 |
| Nov 04 2010 |
11878 |
480.23 |
| Oct 28 2010 |
11486 |
480.38 |
| Oct 22 2010 |
11362 |
480.51 |
| Oct 14 2010 |
11630 |
486.68 |
| Oct 05 2010 |
11558 |
497.58 |
| Sep 29 2010 |
12813 |
512.38 |
| Sep 24 2010 |
12329 |
512.38 |
| Sep 17 2010 |
13491 |
540 |
| Sep 10 2010 |
13227 |
540 |
| Aug 15 2010 |
11086 |
540 |
| Jan 29 2010 |
13192 |
540 |
| Jan 15 2010 |
13133 |
540 |
| Jan 08 2010 |
12989 |
540 |
| Dec 18 2009 |
12508 |
540 |
| Dec 09 2009 |
12332 |
540 |
| Dec 04 2009 |
12007 |
540 |
| Nov 27 2009 |
11930 |
540 |
| Nov 20 2009 |
11483 |
540 |
